    span {
        display: inline-block;
    }
    
    ul {
        padding: 0;
        margin: 0;
    }
    
    li {
        list-style: none;
    }
    
    html,
    body,
    div,
    ul,
    li,
    h1,
    h2,
    h3,
    h4,
    h5,
    h6,
    p,
    dl,
    dt,
    dd,
    ol,
    form,
    input,
    textarea,
    th,
    td,
    select {
        margin: 0;
        padding: 0;
    }
    
    * {
        box-sizing: border-box;
    }
    
    button {
        border: none;
    }
    
    html,
    body {
        min-height: 100%;
    }
    
    body {
        font-family: "Microsoft YaHei";
        font-size: 14px;
        color: #333;
    }
    
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-weight: normal;
    }
    
    ul,
    ol {
        list-style: none;
    }
    
    img {
        border: none;
        vertical-align: middle;
    }
    
    a {
        text-decoration: none;
    }
    
    a:hover {
        text-decoration: none;
    }
    
    table {
        border-collapse: collapse;
        table-layout: fixed;
    }
    
    input,
    textarea {
        outline: none;
        border: none;
    }
    
    textarea {
        resize: none;
        overflow: auto;
    }
    
    .clearfix {
        zoom: 1;
    }
    
    .clearfix:after {
        content: ".";
        width: 0;
        height: 0;
        visibility: hidden;
        display: block;
        clear: both;
        overflow: hidden;
    }
    
    .fl {
        float: left
    }
    
    .fr {
        float: right
    }
    
    .tl {
        text-align: left;
    }
    
    .tc {
        text-align: center
    }
    
    .tr {
        text-align: right;
    }
    
    .ellipse {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .inline {
        display: inline-block;
        *display: inline;
        *zoom: 1;
    }
    /* body {
    margin: 0;
    background-color: #f6f5f5;
    font-size: .27rem;
}

body {
    max-width: 750px;
    margin: auto;
} */
    
    input {
        border: none;
    }
    
    input:focus {
        outline: none;
    }
    
    .flex {
        display: flex;
    }
    
    .align-center {
        align-items: center;
    }
    
    .just-center {
        justify-content: center;
    }
    
    .column {
        flex-direction: column;
    }
    
    .flex-start {
        justify-content: flex-start;
    }
    
    .between {
        justify-content: space-between;
    }
    
    .around {
        justify-content: space-around;
    }
    
    .cursor {
        cursor: pointer;
    }